velovity页面中如何使用条件禁用按钮

Question

jshtml5java移动数据

Answer 1

<a  href="pm_help_moveup.do?sortid=${data.sortid}&id=$!{data.id}"class="btn btn-success btn-sm" onclick="return moveUp(this)">上移</a>
onclick="return false;"

Answer 2

额。我不是一条数据的，，
id       内容     操作
1     呵呵     上移 下移
2   哈哈      上移 下移
3    嘿嘿    上移   下移我是这种的，现在要第一条不能上移和最后一条不能下移，直接 return false 的话，上移全部能用了= =

Answer 3

 <table class="table table-hover" id="table1">
            <thead>
                <tr>
                    <!--<th width="5px">ID</th>-->
                    
                    <th>时间</th>
                    <th>操作</th>
                    <th>排序</th>                </tr>
                <thead>
            <tbody>
               
     <tr>
            
                                    <td>111</td>
            <td>
                <a href="pm_help_editUI.do?id=${data.id}" class="btn btn-success btn-sm">编辑</a>
                <a href="pm_help_delete.do?id=${data.id}" class="btn btn-danger btn-sm" onclick="return confirm('是否删除该更新信息')">删除</a>
            </td>
            <td>     <a href="pm_help_moveup.do?sortid=${data.sortid}&id=$!{data.id}" class="btn btn-success btn-sm up" onclick="return moveUp(this)">上移</a>
                /
                <a href="pm_help_movedown.do?sortid=${data.sortid}&id=$!{data.id}" class="btn btn-success btn-sm down" onclick="return moveDown(this)">下移</a>
            </td>
        </tr>
               <tr>
            
                                    <td>222</td>
            <td>
                <a href="pm_help_editUI.do?id=${data.id}" class="btn btn-success btn-sm">编辑</a>
                <a href="pm_help_delete.do?id=${data.id}" class="btn btn-danger btn-sm" onclick="return confirm('是否删除该更新信息')">删除</a>
            </td>
            <td>     <a href="pm_help_moveup.do?sortid=${data.sortid}&id=$!{data.id}" class="btn btn-success btn-sm up" onclick="return moveUp(this)">上移</a>
                /
                <a href="pm_help_movedown.do?sortid=${data.sortid}&id=$!{data.id}" class="btn btn-success btn-sm down" onclick="return moveDown(this)">下移</a>
            </td>
        </tr>
                <tr>
            
                                    <td>333</td>
            <td>
                <a href="pm_help_editUI.do?id=${data.id}" class="btn btn-success btn-sm">编辑</a>
                <a href="pm_help_delete.do?id=${data.id}" class="btn btn-danger btn-sm" onclick="return confirm('是否删除该更新信息')">删除</a>
            </td>
            <td>     <a href="pm_help_moveup.do?sortid=${data.sortid}&id=$!{data.id}" class="btn btn-success btn-sm up" onclick="return moveUp(this)">上移</a>
                /
                <a href="pm_help_movedown.do?sortid=${data.sortid}&id=$!{data.id}" class="btn btn-success btn-sm down" onclick="return moveDown(this)">下移</a>
            </td>
        </tr>
     <tbody>
        </table>
 $("#table1 tr .up").first().attr("onclick", "return false;");
        $("#table1 tr .up").last().attr("onclick", "return false;");方法有很多